4. Find and sketch the domain of the following functions: (i) f(x, y) = sin-¹ (5-x² - y²) (ii) f(x, y) = √√1 − x² - y² l
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4. Find and sketch the domain of the following functions: (i) f(x, y) = sin-¹ (5-x² - y²) (ii) f(x, y) = √√1 − x² - y² l
4. Find and sketch the domain of the following functions: (i) f(x, y) = sin-¹ (5-x² - y²) (ii) f(x, y) = √√1 − x² - y² ln(x − y²) [4 marks]
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